Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 6 DWF Rainfall + 2 DWF Equal to rainfall Rainfall + DWF Rainfall + 6 DWF Rainfall + 2 DWF Equal to rainfall Rainfall + DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Hardy cross method of analysis of distribution system (i) Involves successive trials (ii) Takes economic aspects into account (iii) Is time consuming Only (i) (i) and (iii) (i) and (ii) All are correct Only (i) (i) and (iii) (i) and (ii) All are correct ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Dissolved oxygen in streams is Minimum at noon Maximum at noon Maximum at midnight Same throughout the day Minimum at noon Maximum at noon Maximum at midnight Same throughout the day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on None of these Depth of tank Surface area of tank Both depth and surface area of tank None of these Depth of tank Surface area of tank Both depth and surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 1 ppm 4 ppm 40 ppm 10 ppm 1 ppm 4 ppm 40 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 0.2 to 0.4 5 to 7 0.4 to 1.0 2 to 4 0.2 to 0.4 5 to 7 0.4 to 1.0 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
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